Tap water of Higashi Nihonbashi taken on March 31st BEFORE offering prayers.

What does this awful looking shape mean?

Crystal of the same tap water taken on March 31st AFTER offering prayers for 10 days.

This crystal looks like the ones being exposed to the English words "Love ・Thanks" and German words "Liebe ・Danken." And the top of the crystal symbolizes the form of prayer. Prayers from around the world such as English and German speaking countries must have reached.